Browning BPS Field Strip And Cleaning Guide For Hunters
A Browning BPS is built for demanding field use, with a bottom-ejecting action that helps keep spent shells away from either side of the shooter. Its reliable pump mechanism can handle wet cover, dust, and repeated cycling, but dependable operation still depends on regular cleaning.
A field strip should remove the parts needed for routine maintenance without turning the shotgun into a complete workshop disassembly. The exact procedure can vary by gauge, generation, and configuration, so keep the owner’s manual nearby and never force a component that does not move as expected.
Before handling the shotgun, choose a well-lit, ventilated work area away from ammunition. Wear eye protection, place small parts in a tray, and use a clean mat that will not scratch the stock or receiver.
Make The Shotgun Safe
Point the muzzle in a safe direction and engage the safety. Open the action and visually and physically check the chamber, elevator, and magazine tube. A loaded shell can remain in the magazine even when the chamber appears empty, so inspect every ammunition path.
Remove all ammunition from the work area before beginning. Cycle the forearm several times while maintaining safe muzzle control, then leave the action open. If the shotgun has recently been fired, allow the barrel and receiver to cool before applying solvent or handling internal parts.
Prepare A Simple Cleaning Station
Routine BPS maintenance requires a cleaning rod or pull-through, a bore brush matched to the gauge, patches, nylon brushes, cotton swabs, gun-cleaning solvent, and a small amount of quality gun oil. A microfiber cloth is useful for wiping fingerprints and moisture from the receiver and barrel.
Avoid household oils, excessive aerosol spray, and abrasive pads. Solvent belongs on a patch or brush rather than being poured into the action. Too much lubricant can collect powder residue and grit, especially around the bolt, action bars, and trigger group.
Field Strip The BPS Carefully
Begin with the shotgun unloaded and the action open. Following the instructions for your particular model, remove the magazine cap and draw the barrel assembly forward from the receiver. Keep the muzzle supported and avoid striking the barrel against a bench.
For a more thorough field clean, the trigger group and bolt assembly may be removed according to the owner’s manual. BPS designs and production periods can differ, so confirm the correct retaining-pin and action positions before proceeding. Photographing each stage can help with reassembly.
Do not remove springs, pins, or small internal components beyond the cleaning level specified by Browning. If a pin is unusually tight or the action does not align naturally, stop and consult the manual or a qualified gunsmith. Force can damage the receiver or alter the shotgun’s function.
Clean The Barrel And Action
Run a solvent-moistened patch through the bore from the chamber end when practical. Follow with a properly sized bore brush, using several passes to loosen plastic wad residue, powder fouling, and field debris. Finish with clean patches until they emerge mostly clear, then apply a very light protective film of oil.
Inspect the forcing cone, chamber, and muzzle for buildup or obstruction. A dirty chamber can make extraction sluggish, while debris near the muzzle can create a serious hazard. Use a nylon brush around the barrel extension and locking surfaces, taking care not to scratch finished metal.
Wipe the bolt face, extractor area, action slide components, and accessible receiver surfaces with a lightly dampened patch. Remove residue from the elevator and magazine follower without flooding the mechanism. A few drops of oil on appropriate bearing points are usually sufficient; consult the manual for designated lubrication locations.
| Area | Cleaning Method | Lubrication Guidance |
|---|---|---|
| Bore and chamber | Solvent patch, bore brush, clean patches | Very light protective film |
| Bolt face and extractor | Nylon brush and dry cloth | Tiny amount on specified contact points |
| Action bars and slide | Wipe away grit and residue | Light film on moving contact areas |
| Trigger group | Brush off loose debris; avoid soaking | Lubricate only where the manual directs |
| Magazine tube and follower | Wipe and inspect for rust or fouling | Minimal oil, wiped nearly dry |
Inspect Before Reassembly
Look for rust, dents, cracks, burrs, and unusual wear as the parts dry. Pay particular attention to the chamber, extractor, locking surfaces, action bars, and magazine spring area. A rough or damaged surface should be evaluated rather than polished aggressively at home.
Check that the barrel is free of obstruction and that the stock and forend remain firmly attached. Examine the recoil pad and sling hardware if the shotgun has been carried through wet brush. Moisture trapped under the forend or around the receiver can cause corrosion after the exterior appears dry.
Reassemble the shotgun in the reverse order described by Browning. Ensure the barrel is fully seated, retaining pins are flush, and the action cycles smoothly without ammunition. Perform a basic function check with the muzzle in a safe direction, confirming that the safety and action operate normally.
Build A Hunter’s Cleaning Routine
A quick wipe-down after every hunt is worthwhile, even when the shotgun was not fired. Remove mud and moisture from the barrel, receiver, forend, and metal hardware, then store the BPS in a dry location with the action open when safe and appropriate.
After a wet hunt or a high-volume range session, perform a complete field strip and bore cleaning. Do not store the shotgun in a sealed soft case for extended periods, since trapped humidity can promote rust. A ventilated cabinet or properly maintained safe is a better long-term environment.
- Keep the owner’s manual with the shotgun’s cleaning supplies.
- Mark the date of each detailed cleaning and inspection.
- Use gauge-specific brushes, patches, and bore snakes.
- Wipe the exterior metal after handling or exposure to rain.
- Have a gunsmith inspect damage, unusual wear, or persistent cycling problems.
A clean BPS is easier to inspect, safer to handle, and more dependable when a hunt depends on a smooth first cycle. Replace worn accessories or compare available Browning firearms through the online shop cart, then keep every shotgun maintained according to its manual and local storage requirements.